/**
 ******************************************************************************
 * @file    stm32f0xx_gpio.h
 * @author  MCD Application Team
 * @version V1.5.0
 * @date    05-December-2014
 * @brief   This file contains all the functions prototypes for the GPIO
 *          firmware library.
 ******************************************************************************
 * @attention
 *
 * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
 *
 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
 * You may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *        http://www.st.com/software_license_agreement_liberty_v2
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 ******************************************************************************
 */

/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F0XX_GPIO_H
#define __STM32F0XX_GPIO_H

#ifdef __cplusplus
extern "C"
{
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f0xx.h"

  /** @addtogroup STM32F0xx_StdPeriph_Driver
   * @{
   */

  /** @addtogroup GPIO
   * @{
   */
  /* Exported types ------------------------------------------------------------*/

#define IS_GPIO_ALL_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
                                    ((PERIPH) == GPIOB) || \
                                    ((PERIPH) == GPIOC) || \
                                    ((PERIPH) == GPIOD) || \
                                    ((PERIPH) == GPIOE) || \
                                    ((PERIPH) == GPIOF))

#define IS_GPIO_LIST_PERIPH(PERIPH) (((PERIPH) == GPIOA) || \
                                     ((PERIPH) == GPIOB))

  /** @defgroup Configuration_Mode_enumeration
   * @{
   */
  typedef enum
  {
    GPIO_Mode_IN = 0x00,  /*!< GPIO Input Mode              */
    GPIO_Mode_OUT = 0x01, /*!< GPIO Output Mode             */
    GPIO_Mode_AF = 0x02,  /*!< GPIO Alternate function Mode */
    GPIO_Mode_AN = 0x03   /*!< GPIO Analog In/Out Mode      */
  } GPIOMode_TypeDef;

#define IS_GPIO_MODE(MODE) (((MODE) == GPIO_Mode_IN) || ((MODE) == GPIO_Mode_OUT) || \
                            ((MODE) == GPIO_Mode_AF) || ((MODE) == GPIO_Mode_AN))
  /**
   * @}
   */

  /** @defgroup Output_type_enumeration
   * @{
   */
  typedef enum
  {
    GPIO_OType_PP = 0x00,
    GPIO_OType_OD = 0x01
  } GPIOOType_TypeDef;

#define IS_GPIO_OTYPE(OTYPE) (((OTYPE) == GPIO_OType_PP) || ((OTYPE) == GPIO_OType_OD))

  /**
   * @}
   */

  /** @defgroup Output_Maximum_frequency_enumeration
   * @{
   */
  typedef enum
  {
    GPIO_Speed_Level_1 = 0x00, /*!< I/O output speed: Low 2 MHz */
    GPIO_Speed_Level_2 = 0x01, /*!< I/O output speed: Medium 10 MHz */
    GPIO_Speed_Level_3 = 0x03  /*!< I/O output speed: High 50 MHz */
  } GPIOSpeed_TypeDef;

#define IS_GPIO_SPEED(SPEED) (((SPEED) == GPIO_Speed_Level_1) || ((SPEED) == GPIO_Speed_Level_2) || \
                              ((SPEED) == GPIO_Speed_Level_3))
  /**
   * @}
   */

  /** @defgroup Configuration_Pull-Up_Pull-Down_enumeration
   * @{
   */
  typedef enum
  {
    GPIO_PuPd_NOPULL = 0x00,
    GPIO_PuPd_UP = 0x01,
    GPIO_PuPd_DOWN = 0x02
  } GPIOPuPd_TypeDef;

#define IS_GPIO_PUPD(PUPD) (((PUPD) == GPIO_PuPd_NOPULL) || ((PUPD) == GPIO_PuPd_UP) || \
                            ((PUPD) == GPIO_PuPd_DOWN))
  /**
   * @}
   */

  /** @defgroup Bit_SET_and_Bit_RESET_enumeration
   * @{
   */
  typedef enum
  {
    Bit_RESET = 0,
    Bit_SET
  } BitAction;

#define IS_GPIO_BIT_ACTION(ACTION) (((ACTION) == Bit_RESET) || ((ACTION) == Bit_SET))
  /**
   * @}
   */

  /**
   * @brief  GPIO Init structure definition
   */
  typedef struct
  {
    uint32_t GPIO_Pin; /*!< Specifies the GPIO pins to be configured.
                            This parameter can be any value of @ref GPIO_pins_define */

    GPIOMode_TypeDef GPIO_Mode; /*!< Specifies the operating mode for the selected pins.
                                     This parameter can be a value of @ref GPIOMode_TypeDef   */

    GPIOSpeed_TypeDef GPIO_Speed; /*!< Specifies the speed for the selected pins.
                                       This parameter can be a value of @ref GPIOSpeed_TypeDef  */

    GPIOOType_TypeDef GPIO_OType; /*!< Specifies the operating output type for the selected pins.
                                       This parameter can be a value of @ref GPIOOType_TypeDef  */

    GPIOPuPd_TypeDef GPIO_PuPd; /*!< Specifies the operating Pull-up/Pull down for the selected pins.
                                     This parameter can be a value of @ref GPIOPuPd_TypeDef   */
  } GPIO_InitTypeDef;

/* Exported constants --------------------------------------------------------*/

/** @defgroup GPIO_Exported_Constants
 * @{
 */

/** @defgroup GPIO_pins_define
 * @{
 */
#define GPIO_Pin_0 ((uint16_t)0x0001)   /*!< Pin 0 selected    */
#define GPIO_Pin_1 ((uint16_t)0x0002)   /*!< Pin 1 selected    */
#define GPIO_Pin_2 ((uint16_t)0x0004)   /*!< Pin 2 selected    */
#define GPIO_Pin_3 ((uint16_t)0x0008)   /*!< Pin 3 selected    */
#define GPIO_Pin_4 ((uint16_t)0x0010)   /*!< Pin 4 selected    */
#define GPIO_Pin_5 ((uint16_t)0x0020)   /*!< Pin 5 selected    */
#define GPIO_Pin_6 ((uint16_t)0x0040)   /*!< Pin 6 selected    */
#define GPIO_Pin_7 ((uint16_t)0x0080)   /*!< Pin 7 selected    */
#define GPIO_Pin_8 ((uint16_t)0x0100)   /*!< Pin 8 selected    */
#define GPIO_Pin_9 ((uint16_t)0x0200)   /*!< Pin 9 selected    */
#define GPIO_Pin_10 ((uint16_t)0x0400)  /*!< Pin 10 selected   */
#define GPIO_Pin_11 ((uint16_t)0x0800)  /*!< Pin 11 selected   */
#define GPIO_Pin_12 ((uint16_t)0x1000)  /*!< Pin 12 selected   */
#define GPIO_Pin_13 ((uint16_t)0x2000)  /*!< Pin 13 selected   */
#define GPIO_Pin_14 ((uint16_t)0x4000)  /*!< Pin 14 selected   */
#define GPIO_Pin_15 ((uint16_t)0x8000)  /*!< Pin 15 selected   */
#define GPIO_Pin_All ((uint16_t)0xFFFF) /*!< All pins selected */

#define IS_GPIO_PIN(PIN) ((PIN) != (uint16_t)0x00)

#define IS_GET_GPIO_PIN(PIN) (((PIN) == GPIO_Pin_0) ||  \
                              ((PIN) == GPIO_Pin_1) ||  \
                              ((PIN) == GPIO_Pin_2) ||  \
                              ((PIN) == GPIO_Pin_3) ||  \
                              ((PIN) == GPIO_Pin_4) ||  \
                              ((PIN) == GPIO_Pin_5) ||  \
                              ((PIN) == GPIO_Pin_6) ||  \
                              ((PIN) == GPIO_Pin_7) ||  \
                              ((PIN) == GPIO_Pin_8) ||  \
                              ((PIN) == GPIO_Pin_9) ||  \
                              ((PIN) == GPIO_Pin_10) || \
                              ((PIN) == GPIO_Pin_11) || \
                              ((PIN) == GPIO_Pin_12) || \
                              ((PIN) == GPIO_Pin_13) || \
                              ((PIN) == GPIO_Pin_14) || \
                              ((PIN) == GPIO_Pin_15))

/**
 * @}
 */

/** @defgroup GPIO_Pin_sources
 * @{
 */
#define GPIO_PinSource0 ((uint8_t)0x00)
#define GPIO_PinSource1 ((uint8_t)0x01)
#define GPIO_PinSource2 ((uint8_t)0x02)
#define GPIO_PinSource3 ((uint8_t)0x03)
#define GPIO_PinSource4 ((uint8_t)0x04)
#define GPIO_PinSource5 ((uint8_t)0x05)
#define GPIO_PinSource6 ((uint8_t)0x06)
#define GPIO_PinSource7 ((uint8_t)0x07)
#define GPIO_PinSource8 ((uint8_t)0x08)
#define GPIO_PinSource9 ((uint8_t)0x09)
#define GPIO_PinSource10 ((uint8_t)0x0A)
#define GPIO_PinSource11 ((uint8_t)0x0B)
#define GPIO_PinSource12 ((uint8_t)0x0C)
#define GPIO_PinSource13 ((uint8_t)0x0D)
#define GPIO_PinSource14 ((uint8_t)0x0E)
#define GPIO_PinSource15 ((uint8_t)0x0F)

#define IS_GPIO_PIN_SOURCE(PINSOURCE) (((PINSOURCE) == GPIO_PinSource0) ||  \
                                       ((PINSOURCE) == GPIO_PinSource1) ||  \
                                       ((PINSOURCE) == GPIO_PinSource2) ||  \
                                       ((PINSOURCE) == GPIO_PinSource3) ||  \
                                       ((PINSOURCE) == GPIO_PinSource4) ||  \
                                       ((PINSOURCE) == GPIO_PinSource5) ||  \
                                       ((PINSOURCE) == GPIO_PinSource6) ||  \
                                       ((PINSOURCE) == GPIO_PinSource7) ||  \
                                       ((PINSOURCE) == GPIO_PinSource8) ||  \
                                       ((PINSOURCE) == GPIO_PinSource9) ||  \
                                       ((PINSOURCE) == GPIO_PinSource10) || \
                                       ((PINSOURCE) == GPIO_PinSource11) || \
                                       ((PINSOURCE) == GPIO_PinSource12) || \
                                       ((PINSOURCE) == GPIO_PinSource13) || \
                                       ((PINSOURCE) == GPIO_PinSource14) || \
                                       ((PINSOURCE) == GPIO_PinSource15))
/**
 * @}
 */

/** @defgroup GPIO_Alternate_function_selection_define
 * @{
 */

/**
 * @brief  AF 0 selection
 */
#define GPIO_AF_0 ((uint8_t)0x00) /* WKUP, EVENTOUT, TIM15, SPI1, TIM17,  \
                                     MCO, SWDAT, SWCLK, TIM14, BOOT,      \
                                     USART1, CEC, IR_OUT, SPI2, TS, TIM3, \
                                     USART4, CAN, TIM3, USART2, USART3,   \
                                     CRS, TIM16, TIM1 */
/**
 * @brief  AF 1 selection
 */
#define GPIO_AF_1 ((uint8_t)0x01) /* USART2, CEC, TIM3, USART1, IR,     \
                                     EVENTOUT, I2C1, I2C2, TIM15, SPI2, \
                                     USART3, TS, SPI1 */
/**
 * @brief  AF 2 selection
 */
#define GPIO_AF_2 ((uint8_t)0x02) /* TIM2, TIM1, EVENTOUT, TIM16, TIM17, \
                                     USB */
/**
 * @brief  AF 3 selection
 */
#define GPIO_AF_3 ((uint8_t)0x03) /* TS, I2C1, TIM15, EVENTOUT */

/**
 * @brief  AF 4 selection
 */
#define GPIO_AF_4 ((uint8_t)0x04) /* TIM14, USART4, USART3, CRS, CAN, \
                                     I2C1 */

/**
 * @brief  AF 5 selection
 */
#define GPIO_AF_5 ((uint8_t)0x05) /* TIM16, TIM17, TIM15, SPI2, I2C2, \
                                     MCO, I2C1, USB */

/**
 * @brief  AF 6 selection
 */
#define GPIO_AF_6 ((uint8_t)0x06) /* EVENTOUT */
/**
 * @brief  AF 7 selection
 */
#define GPIO_AF_7 ((uint8_t)0x07) /* COMP1 OUT and COMP2 OUT */

#define IS_GPIO_AF(AF) (((AF) == GPIO_AF_0) || ((AF) == GPIO_AF_1) || \
                        ((AF) == GPIO_AF_2) || ((AF) == GPIO_AF_3) || \
                        ((AF) == GPIO_AF_4) || ((AF) == GPIO_AF_5) || \
                        ((AF) == GPIO_AF_6) || ((AF) == GPIO_AF_7))

  /**
   * @}
   */

  /** @defgroup GPIO_Speed_Legacy
   * @{
   */

#define GPIO_Speed_2MHz GPIO_Speed_Level_1  /*!< I/O output speed: Low 2 MHz  */
#define GPIO_Speed_10MHz GPIO_Speed_Level_2 /*!< I/O output speed: Medium 10 MHz */
#define GPIO_Speed_50MHz GPIO_Speed_Level_3 /*!< I/O output speed: High 50 MHz */

  /**
   * @}
   */

  /**
   * @}
   */

  /* Exported macro ------------------------------------------------------------*/
  /* Exported functions ------------------------------------------------------- */
  /* Function used to set the GPIO configuration to the default reset state *****/
  void GPIO_DeInit(GPIO_TypeDef *GPIOx);

  /* Initialization and Configuration functions *********************************/
  void GPIO_Init(GPIO_TypeDef *GPIOx, GPIO_InitTypeDef *GPIO_InitStruct);
  void GPIO_StructInit(GPIO_InitTypeDef *GPIO_InitStruct);
  void GPIO_PinLockConfig(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);

  /* GPIO Read and Write functions **********************************************/
  uint8_t GPIO_ReadInputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
  uint16_t GPIO_ReadInputData(GPIO_TypeDef *GPIOx);
  uint8_t GPIO_ReadOutputDataBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
  uint16_t GPIO_ReadOutputData(GPIO_TypeDef *GPIOx);
  void GPIO_SetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
  void GPIO_ResetBits(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin);
  void GPIO_WriteBit(GPIO_TypeDef *GPIOx, uint16_t GPIO_Pin, BitAction BitVal);
  void GPIO_Write(GPIO_TypeDef *GPIOx, uint16_t PortVal);

  /* GPIO Alternate functions configuration functions ***************************/
  void GPIO_PinAFConfig(GPIO_TypeDef *GPIOx, uint16_t GPIO_PinSource, uint8_t GPIO_AF);

#ifdef __cplusplus
}
#endif

#endif /* __STM32F0XX_GPIO_H */
/**
 * @}
 */

/**
 * @}
 */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
